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etl::overload in C++17 only

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This commit is contained in:
John Wellbelove 2023-05-16 10:14:44 +01:00
parent b7a1b65276
commit e21426112e
2 changed files with 10 additions and 16 deletions
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12
include/etl/overload.h
View File

@ -37,7 +37,7 @@ SOFTWARE.
namespace etl
{
#if ETL_USING_CPP17 && !defined(ETL_OVERLOAD_FORCE_CPP14)
#if ETL_USING_CPP17
//*************************************************************************
/// Variadic template definition of overload for C++17 and above.
@ -53,10 +53,8 @@ namespace etl
//*************************************************************************
template<typename... TOverloads> overload(TOverloads...)->overload<TOverloads...>;
#else
//*************************************************************************
/// Variadic template definition of overload for C++14.
/// Variadic template definition of overload for C++11.
//*************************************************************************
template <typename TFirst, typename... TOthers>
struct overload : TFirst, overload<TOthers...>
@ -71,9 +69,6 @@ namespace etl
using TFirst::operator();
};
#endif
#if ETL_USING_CPP17
//*************************************************************************
/// Make an overload.
//*************************************************************************
@ -82,7 +77,8 @@ namespace etl
{
return overload<TOverloads...>{ etl::forward<TOverloads>(overloads)... };
}
#endif
}
#endif
#endif

14
test/test_overload.cpp
View File

@ -30,6 +30,8 @@ SOFTWARE.
#include "etl/overload.h"
#if ETL_USING_CPP17
#include <iostream>
namespace
@ -72,9 +74,8 @@ namespace
SUITE(test_overload)
{
#if ETL_USING_CPP17
//*************************************************************************
TEST(test_overload_lambdas)
TEST(test_overload_lambdas_make_overload)
{
auto overload = etl::make_overload([](int i) { result.bi = true; },
[](double d) { result.bd = true; },
@ -98,12 +99,10 @@ namespace
CHECK(result.bd == false);
CHECK(result.bs == true);
}
#endif
//*************************************************************************
TEST(test_overload_lambdas_cpp17)
TEST(test_overload_lambdas_initializer_list)
{
#if ETL_USING_CPP17 && !defined(ETL_OVERLOAD_FORCE_CPP14)
result.clear();
Function(int(1), etl::overload
{
@ -136,10 +135,8 @@ namespace
CHECK(result.bi == false);
CHECK(result.bd == false);
CHECK(result.bs == true);
#endif
}
#if ETL_USING_CPP17
//*************************************************************************
TEST(test_visitor_overload)
{
@ -163,6 +160,7 @@ namespace
CHECK(result.bd == false);
CHECK(result.bs == true);
}
#endif
};
}
#endif